Water cooling apparatus for engines



Jan. M, 1936. 'E, w, ULL zmmssa WATERCOQLING APPARATUS FOR ENGINES Filed May 5, 1934 2 Sheets-Sheet l Inventor E/JW/ W SZm/f E. W. SHULL WATER COOLING APPARATUS FOR ENGINES 2 Sheets-Sheet 2 Jan 14, 193%.

Filed May 5, 1954 Inventor Patented Jan. 14, 1936 'i'ED STATES WATER COOLING APPARATUS FOR ENGINES 'ElbertW. Shull, Lawton, Okla. Application 'Mayi'3, 1934, Serial No. 723,784

4 Claims.

The present invention relates to new and useful improvements in water cooling apparatus for stationary engines and has for one of its important objects to provide, in a manner as hereinafter set forth, an apparatus of this character embodying a novel construction,combination and arrangement of parts through the medium .of which the engine exhaust is utilized for cooling the fluid in the cooling system of said engine.

Other objects of the invention are to provide a water cooling apparatus of the aforementioned character which will be comparatively simple in construction, strong, durable, highly efiicient and reliable in operation, compact, and which maybe it manufactured and installed at low cost.

All of the foregoing and still further objects andadvantagesoftheinvention will become apparent from a study of the following specification, taken in connection with the accompanying drawings wherein like characters of reference designate corresponding parts throughout the several views and wherein:

Figure 1 is a view in vertical section through a water cooling apparatus constructed in accordance with the present invention.

Figure 2 is a vertical sectional view through the lower portion of the apparatus, taken substantially on the line 2-2 of Figure 1.

Figure 3 is a view in horizontal section, taken ubstantially on the line 3-3 of Figure 1.

Figure t is a View in vertical section through the upper end portion of the casing in which the rotary hood is mounted, the latter being shown in front elevation.

Referring to the drawings in detail, it will be that the embodiment of the invention which has been illustrated comprises a casing which is designated generally by the reference numeral I, said casing being circular in horizontal section 40 and including upper and lower sections 2 and 3,

respectively, which are connected together, as at t. The casing l is supported in elevated position through the medium of suitable legs 5. The reference numeral 6 designates a substantially conical shield which encircles the lower end portion of the casing l in spaced, concentric relation thereto having an access opening 7 in the side thereof which is adjacent the engine. If desired, the opening i may be closed by a suitable door.

The reference numeral 8 designates a rotary wind actuated draft hood which is mounted on top of the casing 11. The hood 8 is fixed on a vertical shaft 9 which is journalled in suitable bearings Ill which are provided therefor centrally in the upper end portion of the casing section 2. If

desire-d, either on both efthe Ebearings F! 0 -:may' be of theball or roller typeto reduce friction.

'Mounted in the lower section 3 of the casing l is a radiator which is designated generally by the reference numeral l. prises a U-tube 12 the free ends of the legs of which are providediwith vents (notshown). The radiator I I further includes an'intake pipe lfi the lower end of which is closed and fixed to the bightvportion of :theU-etube l2. Thempper portionof the intake pipe:l3.is bent at rightangles and extends horizontally through the casingll and .is connected by a flexible coupling M lto'a comparatively small filler tank'ltl towhich'the conduit it from the stationary engine isconnected. l The filler tank it is provided with:a1pair.of gage cocks .H. The top of1the filler tank l:5..is .lvented and provided with a suitable connection l8 for coupling thereto a water supply conduit. The top of the filler tank 15 is substantially flush with the upper ends of the legs of the U-tube l2, as illustrated to advantage in Figure 1 of the drawings.

The radiator H still further includes a series of vertically spaced coils l9 having one end connected to the intake pipe 13 and their other ends connected alternately to the opposite legs of the U-tube l2, as best seen in Figure 2. The coils l9 are supported on inclined bars Zil, the inner ends of which are fixed to the intake pipe [3 and the outer ends of which are fixed to Vertical bars 2| which are provided therefore in the lower section 3 of the casing l. The legs of the U-tube I2 are rigidly secured in position in the casing I through the medium of twopart clamps 22. If desired, suitable supporting means for the lower or bight portion of the U-tube I2 may be provided in the lower end portion of the casing I.

The reference numeral 23 designates a return pipe which is connected to the 10 tion of the U-tube l2 by means including a flex ible coupling 2t. An exhaust pipe 25 extends into the casing i above the radiator H and terminates in an upturned nozzle 26. A suitable support 27 is provided in the casing l for the exhaust pipe 25.

From a consideration of the foregoing it is believed that the operation of the apparatus will be readily apparent. As the water from the engine circulates through the radiator I! the air in the casing l is heated and caused to rise thereby, comparatively cool air from the atmosphere being drawn downwardly through the top of the shield 6 beneath the lower end of the casing l and then upwardly through said casing. In this The radiator, comwer or bight pormanner it will be seen that the temperature of the water will be materially reduced as it passes through the radiator I I. This draft is materially increased or accelerated by induction through the medium of the upwardly discharging exhaust gases from the upturned end portion or nozzle 26 on the exhaust pipe 25.

It is believed that the many advantages of a water cooling apparatus for stationary engines in accordance with the present invention will be readily understood, and although a preferred embodiment of the invention is as illustrated and described, it is to be understood that changes in the details of construction and in the combination and arrangement of parts may be resorted to which will fall within the scope of the invention as claimed.

What is claimed is:

1. A water cooling apparatus of the class described comprising a casing for the passage of air, and a radiator mounted in said casing, said radiator including a U-tube, an intake pipe having one end closed and connected to the bight portion of the U-tube, a plurality of coils encircling the intake pipe and having one end connected thereto and their other ends connected alternately to the legs of the U-tube, and a return pipe connected to the bight portion of said U-tube.

2. A water cooling apparatus of the class described comprising a substantially cylindrical casing for the passage of air, a radiator mounted in the casing, said radiator including a U-tube, an intake pipe having one end closed and connected to the bight portion of the U-tube, a plurality of coils encircling the intake pipe and having one end connected thereto and their other ends connected alternately to the legs of the U-tube, a return pipe connected to the bight portion of the U-tube, and supporting means in the casing for the coils, said supporting means comprising vertical bars mounted in the casing and inclined bars extending between the vertical bars and the intake pipe, the coils resting on said inclined bars.

3. A water cooling apparatus of the class described comprising, in combination, a vertical, elevated casing open at its upper and lower ends for the passage of air, a shield encircling the lower end portion of the casing in spaced, concentric relation thereto, a wind actuated draft hood rotatably mounted on the upper end of the casing, a radiator mounted in the casing and operatively connected with the cooling system of an engine, and an exhaust pipe from the engine extending into the casing above the radiator and terminating in an upturned end portion.

4. A cooling apparatus of the class described, comprising an upright casing having its ends open, a U-tube located in the casing with its limbs vertically arranged and its bight extending across the lower part of the casing and connecting the lower ends of the limbs together, an inlet pipe having a portion located in the casing and paralleling the limbs of the U-tube, a plurality of spiral coils arranged in a vertical row in the casing, each coil having its inner end connected with the inlet pipe and its outer end connected with a limb of the U-tube, alternate coils being connected to one limb of the U-tube and the others with the other limb, the convolutions of each coil being vertically spaced with the small convolutions uppermost and an outlet pipe connected with the bight of the U-tube.

ELBERT W. SHULL. 

